Question

repede va roog!!!! exercitiile din poza

Answer 1

6...a) 116x=87
x=3/4

b)x+2/3=3/2
x=3/2-2/3
x=5/6

7)..13x-2/76
13x-2=76
13x-76=2
-63x=2
x=-2/63

8).. (0,25*4+0,5*2+0,2*50*5)*0,003*100=
=(1+0,5*2+0,2*5)-0,003*100=
=(1+1+1)-0,3
=3-0,3=2,7